The issue arises when trying to determine if an IpAddr is coming from localhost in a mixed IPv4/IPV6 environment. In my opinion, this behavior should either be clearly documented in the standard ...

At minimum, this inconsistency between different properties is counter-intuitive. Moreover, ::ffff:127.0.0.0/104 is for all intents and purposes a loopback address, and should be treated as such. For ...